US11267209B2 - PFA molded body with excellent blister resistance and method of controlling occurrence of blisters in PFA molded body - Google Patents
PFA molded body with excellent blister resistance and method of controlling occurrence of blisters in PFA molded body Download PDFInfo
- Publication number
- US11267209B2 US11267209B2 US15/539,568 US201515539568A US11267209B2 US 11267209 B2 US11267209 B2 US 11267209B2 US 201515539568 A US201515539568 A US 201515539568A US 11267209 B2 US11267209 B2 US 11267209B2
- Authority
- US
- United States
- Prior art keywords
- molded body
- copolymer
- pfa
- melting point
- blisters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/10—Homopolymers or copolymers of unsaturated ethers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
- B29C2071/022—Annealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/7496—Pumps
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
- C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
- Patent document 1: Japanese Unexamined Patent Application 2001-151852
- Patent document 2: Japanese Unexamined Patent Application 2007-292292
- Patent document 3: Japanese Unexamined Patent Application 2007-196641
- Patent document 4: Japanese Unexamined Patent Application 2005-67079
- Non-Patent document 1: Handbook of Fluorine Resins, page 108, published by Nikkan Kogyo Publishing
- Non-Patent document 2: Fluorine Resins, Handbook of applications for DuPont™ Teflon (registered trademark), published by Mitsu DuPont Fluorochemical Co., Ltd.
Blister presence rate=number of blisters in a heat treated molded body/number of blisters in an equivalent molded body that has not been heat treated [I]
-
- 1 Heat treated PFA tube
- 2 Sealing stopper
- 3 35 mass % hydrochloric acid solution
- 4 Glass bottle
- 5 Pure water
- 6 Oven
- 7 PFA plate
- 8 Carbon transcription paper
- 9 Copy paper
- 10 PFA tube for measuring blisters
- 11 Guide part
- 12 Weight
- 13 PTFE plate
CF2═CF(OCF2CF(CF3))nO(CF2)mCF2X [Formula 1]
(wherein, in the
CF2═CF(OCF2CF(CF3))qOCF2CF(CF3)CF3 [Formula 2]
(wherein, in the
Blister presence rate=number of blisters in a heat treated molded body/number of blisters in an equivalent molded body that has not been heat treated [I]
(3) Melting Point (Melting Peak Temperature)
TABLE 1 | ||||||
Heat | Blister | |||||
treatment | Number | presence | ||||
temperature | of | ratio | ||||
Resin | (° C.) | blisters | (%) | |||
Example 1 | PFA (1) | 300 | 1 | 0 | ||
Example 2 | PFA (1) | 260 | 98 | 46 | ||
Comparative | PFA (1) | — | 214 | −(100) | ||
Example 1 | ||||||
TABLE 2 | ||||||
Heat | Blister | |||||
treatment | Number | presence | ||||
temperature | of | ratio | ||||
Resin | (° C.) | blisters | (%) | |||
Example 3 | PFA (2) | 300 | 0 | 0 | ||
Example 4 | PFA (2) | 190 | 0 | 0 | ||
Comparative | PFA (2) | — | 189 | −(100) | ||
Example 2 | ||||||
Claims (7)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014264978A JP6465653B2 (en) | 2014-12-26 | 2014-12-26 | PFA molded article having excellent blister resistance and method for suppressing blister generation in PFA molded article |
JP2014-264978 | 2014-12-26 | ||
JPJP2014-264978 | 2014-12-26 | ||
PCT/US2015/066674 WO2016106125A1 (en) | 2014-12-26 | 2015-12-18 | Pfa molded body with excellent blister resistance and method of controlling occurrence of blisters in pfa molded body |
Publications (2)
Publication Number | Publication Date |
---|---|
US20170361548A1 US20170361548A1 (en) | 2017-12-21 |
US11267209B2 true US11267209B2 (en) | 2022-03-08 |
Family
ID=55236906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/539,568 Active 2036-11-12 US11267209B2 (en) | 2014-12-26 | 2015-12-18 | PFA molded body with excellent blister resistance and method of controlling occurrence of blisters in PFA molded body |
Country Status (7)
Country | Link |
---|---|
US (1) | US11267209B2 (en) |
EP (2) | EP3738756B1 (en) |
JP (1) | JP6465653B2 (en) |
KR (2) | KR102507245B1 (en) |
MY (1) | MY180639A (en) |
TW (1) | TWI701133B (en) |
WO (1) | WO2016106125A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200139604A1 (en) * | 2017-06-23 | 2020-05-07 | Chemours-Mitsui Fluoroproducts Co., Ltd. | Melt processible fluororesin molded article |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10921021B2 (en) * | 2016-03-23 | 2021-02-16 | Wwt Technischer Geraetebau Gmbh | Modular blood warmer |
KR20200023400A (en) * | 2017-06-26 | 2020-03-04 | 미쯔이 케무어스 플루오로프로덕츠 가부시끼가이샤 | Fluoropolymer Molded Body |
JP6990579B2 (en) * | 2017-12-25 | 2022-01-12 | 三井・ケマーズ フロロプロダクツ株式会社 | Material for melt molding and its manufacturing method |
JP6665236B2 (en) * | 2018-07-17 | 2020-03-13 | 三井・ケマーズ フロロプロダクツ株式会社 | PFA molded article excellent in blister resistance and method for suppressing blister generation of PFA molded article |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030102593A1 (en) * | 2001-06-28 | 2003-06-05 | Ralph Kaulbach | Fep with increased flexural fatigue strength and a low level of die deposits |
EP1510326A1 (en) | 2003-08-26 | 2005-03-02 | Junkosha, Inc. | A tubular member made of fluororesin having low gas permeability |
US20050107535A1 (en) * | 1998-06-15 | 2005-05-19 | Asahi Glass Company Limited | Fluorine-containing copolymer molding material |
US20070178267A1 (en) * | 2004-05-14 | 2007-08-02 | Takashi Hama | Polyester resin bottle and method of producing the same |
JP2007196641A (en) | 2006-01-30 | 2007-08-09 | Miraial Kk | Annealing jig |
US20120034406A1 (en) * | 2010-08-06 | 2012-02-09 | E. I. Du Point De Nemours And Company | Melt-Fabricable Perfluoropolymers Having Improved Heat Aging Property |
WO2012019066A1 (en) | 2010-08-06 | 2012-02-09 | 1/2E. I. Du Pont De Nemours And Company | Downhole well communications cable |
WO2012019070A1 (en) | 2010-08-06 | 2012-02-09 | E. I. Du Pont De Nemours And Company | Melt-fabricable tetrafluoroethylene/perfluoro (alky vinyl ether) copolymer composition having improved heat aging property |
WO2013081920A1 (en) | 2011-11-30 | 2013-06-06 | E. I. Du Pont De Nemours And Company | Tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer having an increased melting temperature |
WO2014086694A1 (en) | 2012-12-05 | 2014-06-12 | Solvay Specialty Polymers Italy S.P.A. | Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment |
US20170107305A1 (en) * | 2014-06-05 | 2017-04-20 | Solvay Specialty Polymers Italy S.P.A. | Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58216762A (en) * | 1982-06-11 | 1983-12-16 | Du Pont Mitsui Fluorochem Co Ltd | Method for removing blister from perfluoroalkoxy resin coating |
CA1248292A (en) | 1984-05-10 | 1989-01-03 | Marlin D. Buckmaster | Melt-processible tetrafluoroethylene copolymers and processes for preparing them |
US4743658A (en) | 1985-10-21 | 1988-05-10 | E. I. Du Pont De Nemours And Company | Stable tetrafluoroethylene copolymers |
JPH0652111B2 (en) * | 1988-04-27 | 1994-07-06 | 工業技術院長 | Blister prevention method in fluororesin lined steel pipe |
JP2921026B2 (en) | 1990-05-14 | 1999-07-19 | ダイキン工業株式会社 | Tetrafluoroethylene copolymer and method for producing the same |
US5266639A (en) | 1992-08-28 | 1993-11-30 | E. I. Du Pont De Nemours And Company | Low-melting tetrafluorethylene copolymer and its uses |
JPH10259216A (en) * | 1996-05-30 | 1998-09-29 | Asahi Glass Co Ltd | Molding product of fluorine-containing copolymer |
US5919878A (en) | 1996-09-13 | 1999-07-06 | E. I. Du Pont De Nemours And Company | Amorphous fluoropolymer containing perfluoro(ethyl vinyl ether) |
JP2001151852A (en) | 1999-11-30 | 2001-06-05 | Nicca Chemical Co Ltd | Antifoaming agent |
JP4618911B2 (en) * | 2001-03-09 | 2011-01-26 | 倉敷紡績株式会社 | Method for improving PFA resin |
JP4993188B2 (en) | 2006-03-29 | 2012-08-08 | 国立大学法人東北大学 | Resin piping |
-
2014
- 2014-12-26 JP JP2014264978A patent/JP6465653B2/en active Active
-
2015
- 2015-12-18 MY MYPI2017000941A patent/MY180639A/en unknown
- 2015-12-18 EP EP20174143.6A patent/EP3738756B1/en active Active
- 2015-12-18 KR KR1020227002879A patent/KR102507245B1/en active IP Right Grant
- 2015-12-18 KR KR1020177020296A patent/KR20170101250A/en not_active Application Discontinuation
- 2015-12-18 EP EP15828716.9A patent/EP3237185B1/en active Active
- 2015-12-18 WO PCT/US2015/066674 patent/WO2016106125A1/en active Application Filing
- 2015-12-18 US US15/539,568 patent/US11267209B2/en active Active
- 2015-12-23 TW TW104143328A patent/TWI701133B/en active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050107535A1 (en) * | 1998-06-15 | 2005-05-19 | Asahi Glass Company Limited | Fluorine-containing copolymer molding material |
US20030102593A1 (en) * | 2001-06-28 | 2003-06-05 | Ralph Kaulbach | Fep with increased flexural fatigue strength and a low level of die deposits |
EP1510326A1 (en) | 2003-08-26 | 2005-03-02 | Junkosha, Inc. | A tubular member made of fluororesin having low gas permeability |
US20050048240A1 (en) | 2003-08-26 | 2005-03-03 | Yukihiko Hayashi | Tubular member made of fluororesin |
US20070178267A1 (en) * | 2004-05-14 | 2007-08-02 | Takashi Hama | Polyester resin bottle and method of producing the same |
JP2007196641A (en) | 2006-01-30 | 2007-08-09 | Miraial Kk | Annealing jig |
US20120034406A1 (en) * | 2010-08-06 | 2012-02-09 | E. I. Du Point De Nemours And Company | Melt-Fabricable Perfluoropolymers Having Improved Heat Aging Property |
WO2012019066A1 (en) | 2010-08-06 | 2012-02-09 | 1/2E. I. Du Pont De Nemours And Company | Downhole well communications cable |
WO2012019070A1 (en) | 2010-08-06 | 2012-02-09 | E. I. Du Pont De Nemours And Company | Melt-fabricable tetrafluoroethylene/perfluoro (alky vinyl ether) copolymer composition having improved heat aging property |
WO2013081920A1 (en) | 2011-11-30 | 2013-06-06 | E. I. Du Pont De Nemours And Company | Tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer having an increased melting temperature |
WO2014086694A1 (en) | 2012-12-05 | 2014-06-12 | Solvay Specialty Polymers Italy S.P.A. | Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment |
US20150315317A1 (en) * | 2012-12-05 | 2015-11-05 | Solvay Specialty Polymers Italy S.P.A. | Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment |
US20170107305A1 (en) * | 2014-06-05 | 2017-04-20 | Solvay Specialty Polymers Italy S.P.A. | Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment |
Non-Patent Citations (3)
Title |
---|
Fluororesin Handbook, published by Nikkan Kogyo Shimbun Inc., publisher Toshio Fujiyoshi, 1990, pp. 107 & 108. |
Fluororesin, DuPont TM Teflon (registered trademark) Practical Handbook, published by DuPont-Mitsui Fluorochemical Co., Ltd., 1989, pp. 32 and 55. |
PCT International Search Report and Written Opinion dated Mar. 7, 2017. |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200139604A1 (en) * | 2017-06-23 | 2020-05-07 | Chemours-Mitsui Fluoroproducts Co., Ltd. | Melt processible fluororesin molded article |
US11964417B2 (en) * | 2017-06-23 | 2024-04-23 | Chemours-Mitsui Fluoroproducts Co., Ltd. | Melt processible fluororesin molded article |
Also Published As
Publication number | Publication date |
---|---|
KR102507245B1 (en) | 2023-03-06 |
JP2016124913A (en) | 2016-07-11 |
TWI701133B (en) | 2020-08-11 |
TW201700272A (en) | 2017-01-01 |
JP6465653B2 (en) | 2019-02-06 |
EP3738756A1 (en) | 2020-11-18 |
KR20170101250A (en) | 2017-09-05 |
US20170361548A1 (en) | 2017-12-21 |
EP3237185A1 (en) | 2017-11-01 |
KR20220019065A (en) | 2022-02-15 |
EP3738756B1 (en) | 2022-06-15 |
MY180639A (en) | 2020-12-04 |
EP3237185B1 (en) | 2020-06-24 |
WO2016106125A1 (en) | 2016-06-30 |
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